HS

Howard M. de Silva

EC Edwin Cooper: 1 patents #5 of 12Top 45%
Overall (All Time): #4,113,137 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4206062 Overbasing chemical process Philip E. Derbyshire 1980-06-03